/*
 * Copyright [2013-2021], Alibaba Group Holding Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.polardbx.executor.handler.ddl;

import com.alibaba.polardbx.common.exception.TddlRuntimeException;
import com.alibaba.polardbx.common.exception.code.ErrorCode;
import com.alibaba.polardbx.executor.ddl.job.factory.AlterTableExtractPartitionJobFactory;
import com.alibaba.polardbx.executor.ddl.job.factory.AlterTableGroupExtractPartitionJobFactory;
import com.alibaba.polardbx.executor.ddl.newengine.job.DdlJob;
import com.alibaba.polardbx.executor.partitionmanagement.AlterTableGroupUtils;
import com.alibaba.polardbx.executor.spi.IRepository;
import com.alibaba.polardbx.gms.topology.DbInfoManager;
import com.alibaba.polardbx.optimizer.context.ExecutionContext;
import com.alibaba.polardbx.optimizer.core.rel.ddl.BaseDdlOperation;
import com.alibaba.polardbx.optimizer.core.rel.ddl.LogicalAlterTableExtractPartition;
import com.alibaba.polardbx.optimizer.core.rel.ddl.LogicalAlterTableGroupExtractPartition;
import com.alibaba.polardbx.optimizer.core.rel.ddl.LogicalAlterTableSplitPartitionByHotValue;
import com.alibaba.polardbx.optimizer.core.rel.ddl.data.AlterTableExtractPartitionPreparedData;
import com.alibaba.polardbx.optimizer.core.rel.ddl.data.AlterTableGroupExtractPartitionPreparedData;
import org.apache.calcite.rel.ddl.AlterTable;
import org.apache.calcite.sql.SqlAlterTable;
import org.apache.calcite.sql.SqlAlterTableGroup;
import org.apache.calcite.sql.SqlAlterTableSplitPartitionByHotValue;
import org.apache.calcite.sql.SqlIdentifier;
import org.apache.calcite.util.Util;

public class LogicalAlterTableExtractPartitionHandler extends LogicalCommonDdlHandler {

    public LogicalAlterTableExtractPartitionHandler(IRepository repo) {
        super(repo);
    }

    @Override
    protected DdlJob buildDdlJob(BaseDdlOperation logicalDdlPlan, ExecutionContext executionContext) {
        LogicalAlterTableExtractPartition alterTableExtractPartition =
            (LogicalAlterTableExtractPartition) logicalDdlPlan;
        alterTableExtractPartition.preparedData(executionContext);
        return AlterTableExtractPartitionJobFactory
            .create(alterTableExtractPartition.relDdl,
                (AlterTableExtractPartitionPreparedData) alterTableExtractPartition.getPreparedData(),
                executionContext);
    }

    @Override
    protected boolean validatePlan(BaseDdlOperation logicalDdlPlan, ExecutionContext executionContext) {
        LogicalAlterTableExtractPartition logicalAlterTableExtractPartition =
            (LogicalAlterTableExtractPartition) logicalDdlPlan;
        AlterTable alterTable = (AlterTable) logicalAlterTableExtractPartition.relDdl;
        String logicalTableName = Util.last(((SqlIdentifier) alterTable.getTableName()).names);
        boolean isNewPart =
            DbInfoManager.getInstance().isNewPartitionDb(logicalAlterTableExtractPartition.getSchemaName());
        if (!isNewPart) {
            throw new TddlRuntimeException(ErrorCode.ERR_GMS_GENERIC,
                "can't execute the extract partition command in drds mode");
        }
        AlterTableGroupUtils.alterTableExtractPartitionCheck(logicalAlterTableExtractPartition.getSchemaName(),
            logicalTableName, alterTable.getAllRexExprInfo(), executionContext);
        return false;
    }

}
